The Fujinon XT20SX4.7BRM HDTV Zoom Lens offers 20x zoom and has a focal length ranging from 4.7-94mm. It has a relative aperture ranging from 1:1.4 between 4.7mm and 87.7 to 1:1.5 at 94mm. Equipped with Inner Focus technology, accurate zoom and focus, it provides high-quality images with 1/3″ image format cameras.